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<head><meta charset="utf-8"><title>policy for adding new dependencies · t-compiler/wg-meta · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/index.html">t-compiler/wg-meta</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/policy.20for.20adding.20new.20dependencies.html">policy for adding new dependencies</a></h3>

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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/policy%20for%20adding%20new%20dependencies/near/160707727" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/policy.20for.20adding.20new.20dependencies.html#160707727">(Mar 13 2019 at 17:43)</a>:</h4>
<p>So <span class="user-mention" data-user-id="116107">@davidtwco</span> <a href="https://github.com/rust-lang/rustc-guide/pull/273" target="_blank" title="https://github.com/rust-lang/rustc-guide/pull/273">this PR for the rustc-guide</a> <a href="https://github.com/rust-lang/rustc-guide/pull/273#discussion_r265252041" target="_blank" title="https://github.com/rust-lang/rustc-guide/pull/273#discussion_r265252041">raised an interesting question</a> -- should we have some policy for when it's ok to add an external dep? (As opposed to creating a rust-lang crate).</p>
<p>Do we have a place we are tracking 'pending policy questions'? If so, we should add it. If not, we should make one.</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/policy%20for%20adding%20new%20dependencies/near/160707928" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/policy.20for.20adding.20new.20dependencies.html#160707928">(Mar 13 2019 at 17:46)</a>:</h4>
<blockquote>
<p>So <span class="user-mention silent" data-user-id="116107">davidtwco</span> <a href="https://github.com/rust-lang/rustc-guide/pull/273" target="_blank" title="https://github.com/rust-lang/rustc-guide/pull/273">this PR for the rustc-guide</a> <a href="https://github.com/rust-lang/rustc-guide/pull/273#discussion_r265252041" target="_blank" title="https://github.com/rust-lang/rustc-guide/pull/273#discussion_r265252041">raised an interesting question</a> -- should we have some policy for when it's ok to add an external dep? (As opposed to creating a rust-lang crate).</p>
</blockquote>
<p>There was some mention of that at the bottom of the now-merged crate policy</p>
<blockquote>
<p>Do we have a place we are tracking 'pending policy questions'? If so, we should add it. If not, we should make one.</p>
</blockquote>
<p>Only the big list of <a class="stream" data-stream-id="185694" href="/#narrow/stream/185694-t-compiler.2Fwg-meta">#t-compiler/wg-meta</a> todo items.</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/policy%20for%20adding%20new%20dependencies/near/160708019" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/policy.20for.20adding.20new.20dependencies.html#160708019">(Mar 13 2019 at 17:46)</a>:</h4>
<p>Though I have just noticed a typo in that section <span aria-label="frown" class="emoji emoji-1f641" role="img" title="frown">:frown:</span></p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/185694-t-compiler/wg-meta/topic/policy%20for%20adding%20new%20dependencies/near/160708135" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> davidtwco <a href="https://rust-lang.github.io/zulip_archive/stream/185694-t-compiler/wg-meta/topic/policy.20for.20adding.20new.20dependencies.html#160708135">(Mar 13 2019 at 17:47)</a>:</h4>
<p><a href="https://github.com/davidtwco/compiler-team/blob/b786e20724471dd73ca36c10e7b608f011cbbf33/procedures/crates.md#third-party-crates" target="_blank" title="https://github.com/davidtwco/compiler-team/blob/b786e20724471dd73ca36c10e7b608f011cbbf33/procedures/crates.md#third-party-crates">This section</a> in particular.</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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